Are ddr4 and ddr5 interfaces the same?

The ddr4 and ddr5 interfaces are different. Differences: 1. The notch positions of the ddr4 and ddr5 interfaces are different, so the two cannot be mixed; 2. The voltage is different, DDR4 is 0.1V higher than DDR5; 3. The pin layout of the ddr4 and ddr5 interfaces no the same.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The ddr4 and ddr5 interfaces are different. The main difference is that the position of the notch in the middle is different, so the two cannot be mixed.

First of all, the notch positions of DDR4 and DDR5 are different and cannot be inserted at all. Moreover, the current motherboard with DDR4 interface does not have a memory controller. The corresponding one on the CPU The memory controller also doesn't support DDR5.

The second is the difference in voltage.

DDR4 is 0.1V higher than DDR5.

Moreover, the number of pins has not changed, but the pin layout has changed

##Extended knowledge:

ddr4 The two types of memory and DDR5 are mainly different in terms of bandwidth speed, single chip density, operating frequency, etc. In terms of bandwidth speed, DDR5 has increased from 25.6GB/s of DDR4 to 32GB/s. Single-chip chip density: Currently, most DDR4 single-chip capacities are around 4GB, while DDR5 single-chip capacity will have a single-chip chip density exceeding 16GB.

In fact, compared to DDR4, ddr5 has been greatly improved in terms of frequency and bandwidth, but its power consumption is constantly decreasing. In addition, On-die Ecc will be added, so The stability of memory has been greatly improved, but it also has shortcomings, that is, continuous high performance and high latency. However, DDR5 is an early product, so there will still be a certain optimization process.

At this stage of installation, if you want better installation cost performance, I personally recommend fully mature DDR4 memory. After all, motherboards and DDR5 memory that support DDR5 are relatively expensive, which will bring more costs to the installation. And at present, neither game nor system optimization is enough, and the performance improvement is also very small. Of course, for those who are rich and willful and pursue new products, then go directly to the DDR5 platform.

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